P0455 on Your 2024 Lincoln Aviator
A P0455 on your 2024 Aviator means a large EVAP leak. Whether standard or Grand Touring PHEV, the vehicle is fully under Lincoln's premium warranty. Gas cap first.
Symptoms
- Check engine light with P0455
- Possible fuel smell
- Gas cap not clicking
- EVAP monitor incomplete
Top Causes
- Gas Cap Seal (Very High Likelihood): Loose or factory defect. Warranty-covered.
- Canister Vent Solenoid (Medium Likelihood): Ford EVAP valve. Warranty-covered.
- Purge Valve (Medium Likelihood): Factory defect. Warranty-covered.
- EVAP Canister (Low Likelihood): Manufacturing issue. Warranty-covered.
- Software Calibration (Low Likelihood): PCM update. Warranty-covered.
What to Do
Tighten the gas cap and drive 2–3 days. If P0455 persists, your Lincoln dealer will handle it free under warranty.
Warranty
Your 2024 Aviator is covered by Lincoln's 4-year/50,000-mile warranty through 2028. Federal emissions (8yr/80k) extends through 2032.
Safe to Drive?
Yes. P0455 doesn't affect the twin-turbo, PHEV, AWD, air suspension, or any features.